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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Income Tax Contingency [Line Items] |  |  |  |  |
Income tax benefit (expense) from continuing operations | $ 13,437 | $ 3,498 | $ 31,372 | $ 26,846 |
Favorable adjustment |  |  | 5,700 |  |
Unrecognized tax benefits | 3,600 |  | 3,600 |  | $ 3,400
Unrecognized income tax benefit that will be recognized within the next twelve months | 600 |  | 600 |  |
Foreign Tax Authority |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Valuation allowance |  |  |  |  | $ 3,700
Network Rail |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Provisions recognized | $ 11,200 |  | 13,300 |  |
Year over year change to forward loss provision |  |  | $ 36,800 | $ (23,500) |

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